Vector Arithmetic
a
= A ( a
1
î
+ a
2
ĵ
+ a
3
k̂
)
= ( A•a
1
î
+ A•a
2
ĵ
+ A•a
3
k̂
)
a
= A < a
1
, a
2
, a
3
>
= < A•a
1
, A•a
2
, A•a
3
>
A
a
1
a
2
a
3
b
= B ( b
1
î
+ b
2
ĵ
+ b
3
k̂
)
= ( B•b
1
î
+ B•b
2
ĵ
+ B•b
3
k̂
)
b
= B < b
1
, b
2
, b
3
>
= < B•b
1
, B•b
2
, B•b
3
>
B
b
1
b
2
b
3
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